B1
People mainly take B1 for sleep. Based on 6 first-hand reports. Ranked #1001 of 1,974 overall.
14
User score
Mostly negative17% positive0% mixed17% negative67% unclear
Of reports that state an outcome, 50% are positive.
Clinical research
Research pending
What B1 does, according to users
Of the people who reported each effect, the share who said it got better.
betterno changeworse
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
Research data for B1 is being compiled.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
intermittentas reported
100 mgat bedtime
Reported side effects
How often each side effect came up across all reports.
No side effects reported so far.
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“B1 for energy and clarity.”
“all B vitamins (B6, B1, and others) became ineffective”
“B1”
“B-1 100mg Now brand; L-theanine 100mg Now brand; Optimized Folate Life Extension brand. Take these 3 right at bedtime. Cured my insomnia.”
“b1”
Top discussions (5)
- Newbie here trying to build myself a stack to fight ADHD (mainly) and increase motivation and energy. And also fight anxiety and depression if possible. ↗
- Can You Build a Total Tolerance to Magnesium? My 6-Year Struggle ↗
- What supplement had you f***** up that you had to stop taking it? ↗
- Has anything helped you guys with persistent fatigue and poor sleep quality? ↗
- What is something that ''cured'' your insomnia like magic? ↗
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Intermittent Fasting
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Mostly positive
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate